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最近10余年来,我们目睹了这样引人注目的变化:彩色电视机取代了多数黑白电视机;彩色照片排挤掉了大部分黑白照片。 如今,彩色显示器得到了普及,彩色激光照排系统获得了推广和应用,彩色打印机、彩色复印机、彩色传真机等相继问世并正在进入人们的办公室。 可以这样说,当今世界正在发生一场彩色革命。 彩色化的需求 现代的信息,除了用文字,数字表达外,越来越多地用图形和图像,特别是彩色图形和图像来表达。一张曲线图,上面有三条曲线,若用不同的颜色来绘制,即使三条曲线靠得很近,相互交叉,也很容易分辨。
In the last 10 years or so, we have witnessed such dramatic changes: color TV sets replace most black and white TV sets; and color prints out most of the black and white photographs. Today, color displays are gaining popularity. Color laser radiography systems are being promoted and applied. Color printers, color copiers, color facsimiles, etc. come out one after another and are entering people’s offices. It can be said that a color revolution is taking place in the world today. The need for colorization Modern information, more than words and numbers, is increasingly expressed in graphics and images, especially in color graphics and images. A graph with three curves on it. If drawn in different colors, even if the three curves are close and cross each other, it is easy to tell.